31053081 has 8 divisors (see below), whose sum is σ = 41601184. Its totient is φ = 20603520.

The previous prime is 31053073. The next prime is 31053089. The reversal of 31053081 is 18035013.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31053073) and next prime (31053089).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31053081 - 2³ = 31053073 is a prime.

It is a super-2 number, since 2×31053081² = 1928587679185122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31053089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23896 + ... + 25161.

It is an arithmetic number, because the mean of its divisors is an integer number (5200148).

Almost surely, 2^31053081 is an apocalyptic number.

It is an amenable number.

31053081 is a deficient number, since it is larger than the sum of its proper divisors (10548103).

31053081 is a wasteful number, since it uses less digits than its factorization.

31053081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49271.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 31053081 is about 5572.5291385510. The cubic root of 31053081 is about 314.3172615224.

Adding to 31053081 its reverse (18035013), we get a palindrome (49088094).

The spelling of 31053081 in words is "thirty-one million, fifty-three thousand, eighty-one".